4.18 is not compatible with 4.17. Fixed.
4.18 is not compatible with 4.17. Fixed.

git-svn-id: a5379eb5ca3beb2b6e029be3b1b7f6aa53f2352b@3571 e3ddb328-5bfe-0310-b762-aafcbcbd2528

sebastiangraf/treetank,sebastiangraf/treetank,sebastiangraf/treetank